| Mermaid Blonde Ale | Ship Bottom Brewery | American Blonde Ale | 5.0% |
| Mermaid Red | Coronado Brewing Company | American Amber / Red Ale | |
| Merna | Perennial Artisan Ales | Wild Ale | 7.0% |
| Merry Berry Ale | The Saint Louis Brewery | Fruit and Field Beer | 6.0% |
| Merry Christmas | 5 Stones Craft Brewing | Herb and Spice Beer | 7.9% |
| Merry Christmas & Happy New Year (Our Special Ale) (2018) | Anchor Brewing | | 6.9% |
| Merry Christmas and Happy New Year | Anchor Brewing | Winter Warmer | |
| Merry Christmas and Happy New Year Special Ale 2021 | Anchor Brewing | Winter Warmer | 7.0% |
| Merry Christmas Happy New Year | The Hancock Beer Brewery | European Pale Lager | 6.3% |
| Merry Crispmas | Southern Grist Brewing Co | Herb and Spice Beer | 5.2% |
| Merry Maker | Samuel Adams | American Imperial Stout | 9.0% |
| Merry Maker Gingerbread Stout | Boston Beer Company | Sweet / Milk Stout | 9.0% |
| Merry Mischief | Samuel Adams | Sweet / Milk Stout | 9.0% |
| Merry Mischief Gingerbread Stout | Boston Beer Company | Sweet / Milk Stout | 9.0% |
| Merry Monkey | Victory Brewing | | |